(3) On the whole, with the increase in elevation and slope, the carbon storage showed a trend of increasing first and then decreasing, and the carbon storage of shady and semi-shady slopes was higher than that of sunny and semi-sunny slopes; forest land and cultivated land were the keys to carbon storage changes in Jilin Province.
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Assessment of Carbon Storage under Different SSP-RCP Scenarios in Terrestrial Ecosystems of Jilin Province, China.
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The sentences
The CS of forest land, grassland, wetland, and other lands shows different degrees of a decreasing trend.
The SSP2-RCP4.5 scenario shows a minimum value of carbon storage in 2030 and a small increase in 2040; the SSP1-RCP2.6 scenario shows an increasing trend in carbon storage from 2020 to 2040; the area of built-up areas and cultivated land increases and the loss in carbon storage is more serious under the SSP5-RCP8.5 scenario.
This scenario shows a trend of population increase and then decrease from the beginning of the 21st century to 2100, and a clear trend of GDP increase.
Wetland accounts for about 2.1–2.5% of Jilin, and shows an overall trend of decrease, with a reduction of 0.3%; built-up areas increase by 1463.92 km 2 , with an increase of 0.8%; grassland has shrunk sharply in the last 20 years, decreasing by 1228.04 km 2 , with a reduction of 0.7%; the area of other lands shows an increase and then a reduction in change, with a total decrease of 145.6 km 2 ( Table 4 ).